Inactive

REQUEST FOR INFORMATION - SOURCES SOUGHT FOR DISCONNECTOR / DISCONNECT SWITCH / ISOLATOR SWITCH PRODUCTS NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST, NJ Notice Type: Request for Information ... REQUEST FOR INFORMATION - SOURCES SOUGHT FOR DISCONNECTOR / DISCONNECT SWITCH / ISOLATOR SWITCH PRODUCTS NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST, NJ Notice Type: Request for Information THIS IS A REQUEST FOR INFORMATION (RFI) ONLY. It is not a Request for Proposal, a Request for Quotation, an Invitation for Bids, a solicitation, or an indication that the PMA-251 Program Office or Naval Air Systems Command (NAVAIR) will contract for the items contained in this RFI. This RFI is issued solely for information and planning purposes. This RFI does not commit the Navy to contract for any supply or service whatsoever. Furthermore, the Navy is not seeking proposals at this time. Responders are advised the U.S. Navy will not pay for any information or administrative costs incurred in response to this RFI; all costs associated with responding to this RFI will be solely at the interested party's expense. Interested parties are responsible for adequately marking proprietary or competition sensitive information contained in their response. The Navy will not be liable for or suffer any consequential damages for any proprietary information not properly identified. Proprietary information will be safeguarded in accordance with the applicable Navy regulations. INTRODUCTION The Naval Air Warfare Center Aircraft Division, Lakehurst, New Jersey is seeking sources to fulfill a proposed acquisition requirement for energy-isolating devices, such as disconnectors, disconnect switches, switch disconnectors, safety switches, isolator switches, etc. to de-energize electrical circuits for maintenance. ELIGIBILITY The PSC for this requirement is 5930; the NAICS is 335313. REQUIREMENTS Direct current (DC) off-load energy-isolating devices are required to disconnect equipment from associated power sources. A visual indication of switch position, i.e. confirmation of physical disconnection between input and output, is required to ensure that equipment is isolated and safe for maintenance. Solutions should be compatible with relevant lockout-tagout standards. When in the “ON” position, the mechanical switching devices must be capable of transmitting the operating current and voltage from input to output for the time specified in Table 1. When in the “OFF” position, switches connect to ground. No voltage or current is present when switching from “ON” to “OFF,” or “OFF” to “ON.” The “ON” and “OFF” positions must be isolated from one another to prevent arcing or other inadvertent transmission of power (i.e. rated insulation voltage must exceed rated operating voltage). For multi-pole switches, or groups of single pole switches situated close together, arcing must not occur between poles. Table 1: Electrical requirements Category Requirement Summary (Threshold) Requirement Summary (Objective) Operating Voltage (3 seconds) Operating Current (3 seconds) ±2,200 VDC 2,200 A (peak) ±2,200 VDC 4,400 A (peak) Duty Cycle (Operating) 4% 4% Alt. Operating Voltage (17.5 s) Alt. Operating Current (17.5 s) ±2,200 VDC 30 A ±2,200 VDC 1 kA for 0.5 s, 70 A for 2 s, 20 A for 15 s Voltage (when switching) Current (when switching) 0 VDC 0 A 0 VDC 0 A ‘Alternate Operating Voltage/Current’ may immediately follow ‘Operating Voltage/Current.’ Duty cycle specified in Table 1 corresponds to the ‘Operating Voltage/Current.’ There may be numerous viable approaches capable of addressing the problem as defined. So as to not limit responses, mechanical/size requirements are organized into two tables. Table 2 provides size requirements for an individual single pole double throw (SPDT) switch; the intent is to determine feasibility of integrating a “turnkey” solution into an existing enclosure. Table 2: Mechanical requirements for an individual switch Category Requirement Summary (Threshold) Requirement Summary (Objective) Switch Type SPDT Size (Option 1) 18” L x 2.9” H x 16.25” D 18” L x 2.9” H x 12.3” D Size (Option 2) 9” L x 5.8” H x 16.25” D 9” L x 5.8” H x 12.3” D Size (Option 3) 6” L x 8.7” H x 16.25” D 6” L x 8.7” H x 12.3” D Size (Option 4) 0.5 cubic feet 0.4 cubic feet Cable Diameter 400MCM (conductor); approximately 1” with insulation Cable Direction Parallel to LENGTH (L) Handle Shaft Direction Parallel to DEPTH (D) Table 3 provides an overall size requirement for a complete set of SPDT or 12PDT switches; the intent is to remove constraints that may inadvertently preclude practical solutions, and provide respondents with the freedom to determine if they can feasibly achieve the isolation task as required by the wiring diagram within the space afforded. As such, responses may include enclosures as appropriate. Businesses that meet requirements listed in one or both tables are encouraged to respond. Table 3: Mechanical requirements for a complete set of switches Category Requirement Summary (Threshold) Requirement Summary (Objective) Switch Type (and Corresponding Total Available Volume) 1X 12PDT (in smallest possible volume) 48X SPDT or 4X 12PDT (in 37” L x 79” H x 16.25” D or new enclosure of similar volume) Wiring Diagram Figure 1 Cable Spacing N/A Figure 1 Cable Diameter 400MCM (conductor); approximately 1” with insulation Cable Direction N/A Parallel to LENGTH (L) Handle Shaft Direction N/A Parallel to DEPTH (D) Volumes specified in Table 2 and Table 3 do not include switch handles. Handles may fall outside of size/volume dimensions specified as it is expected that they will be external to an existing or new enclosure. Size options listed in Table 2 are listed in order of preference. A wiring diagram showing general functionality/connections for a complete set of switches capable of achieving the isolation task is provided in Figure 1. The pattern illustrated in the figure repeats six (6) times; that is, there are twelve (12) groups of four (4) switches each. When turned “OFF,” switches connect to ground. Switches with corresponding letters, of which there are four (4) groups of twelve (12) each, may be actuated together. This can be achieved by manually turning the correct combination of SPDT switches, or by actuating four (4) 12PDT switches. The objective requirement is to provide the full capability in the volume specified. The threshold is to provide one (1) 12PDT switch in the smallest volume possible. For 12PDT switches, there is no connection between poles, and “OFF” would still go to ground. Figure 1:48X SPDT or 4X 12PDT Wiring Diagram For reference, cable spacing from an existing enclosure is also provided in Figure 1. Distances are measured center-to-center. A summary of environmental/E3 requirements is provided in Attachment 1 for awareness, but may not be required from industry and should not prevent businesses from responding. SUBMITTAL INFORMATION It is requested that interested businesses submit to the contracting office a brief product information package (existing product brochures and/or datasheets acceptable) for switches or sets of switches that fully or partially (but substantially) meet the requirements summarized herein. Non-developmental, commercial off-the-shelf (COTS) equipment items are acceptable, as is information supporting a business’s ability to produce developmental, custom items that meet the requirements. Documentation should address the following: Company Name; Company Address; Cage Code; Company Business Size; and Point-of-Contact (POC) name, phone number, fax number, and e-mail address. Product information (existing product brochures and/or datasheets acceptable) for energy-isolating devices, which might include: Part/model numbers Supported voltages/currents, including: operational voltage/current, insulation voltage, impulse withstand voltage, short-time withstand current, etc. Switch dimensions Overall dimensions Handle/Handle shaft dimensions and configuration options Terminal dimensions/interface options Enclosure dimensions (if applicable) Life Mechanical life (number of throws) Electrical life (number of electrical cycles) Weight Compatibility with lockout-tagout Ability to visually confirm disconnection Environmental ruggedization (e.g. temperature, humidity, shock, vibration, etc.), electromagnetic interference, and electromagnetic compatibility specifications (government and/or industrial standards may be cited as relevant product specifications) Product obsolescence information (e.g. anticipated months to final production / end-of-life notification) If you are a small business, provide an explanation of your company's ability to perform at least 50% of the tasking described in the specifications. All interested parties are highly encouraged to submit RFI responses, preferably via electronic mail. While the Navy will use this information for future acquisition planning, it will NOT release any information about your approach that might in any way compromise your competitive posture or proprietary information. The Navy will not use any information provided to level your company's approach relative to another competitor. All information received in response to this RFI is marked PROPRIETARY will be handled accordingly. The Navy will not be liable for or suffer any consequential damages for any proprietary information not properly identified. Proprietary information will be safeguarded in accordance with the applicable Navy regulations. NAWCADLKE will not pay respondents for any information generated for or provided in response to this RFI. Submit your response in a Microsoft® Word or compatible format document in no more than twenty single-sided, single-spaced pages, 12-point, Times New Roman font, using a minimum of one-inch margins. Responses to this RFI are requested by 3:00 PM on 03 April 2020. Responses should cite RFI number N68335-20-RFI -0300 and be addressed to the attention of Ms. Melissa Bucci at melissa.bucci@navy.mil. Respondents are notified that a formal solicitation MAY NOT necessarily result from this RFI. The Government will not pay for any information received in response to this request, nor will the Government compensate any respondent for any costs incurred in developing the information provided to the Government. The Government will not release any information marked with a Proprietary legend, received in response to this RFI, to any firms, agencies, or individuals outside of the Government without written permission in accordance with the legend.Attachment 1: Summarization/Generalization of Environmental Ruggedization and E3 Requirements Category Requirement Summary E3/ Electromagnetic Compatibility (EMC) and Electromagnetic Interference (EMI) Per MIL-STD-461G (Surface Ship requirements) CE102: Conducted Emissions, Power Leads, 10 kHZ to 10 MHz CS101: Conducted Susceptibility, Power Leads, 30 Hz to 150 kHz CS114: Conducted Susceptibility, Bulk Cable Injection, 10 kHz to 200 MHz CS116: Conducted Susceptibility, Damped Sinusoidal Transients, Cables and Power Leads 10 kHz to 100 MHz RE101: Radiated Emissions, Magnetic Field, 30 Hz to 100 kHz RE102: Radiated Emissions, Electric Field, 10 kHz to 18 GHz RS101: Radiated Susceptibility, Magnetic Field, 30 Hz to 100 kHz RS103: Radiated Susceptibility, Electric Field, 2 MHz to 18 GHz Altitude, Transit Withstand internal pressure differential of 8.3 psi developed over 0.5 seconds Humidity, Operating 95% relative humidity, MIL-STD-810G, Method 507, Tailored Magnetic Field Interface requirements in DOD-STD-1399 Section 070 Shock MIL-DTL-901E (Grade A) Temperature Per MIL-STD-810G, Methods 501 & 502, Procedure I, Tailored Non-operating -27°F to +158°F (-33°C to +70° C) Operating +32°F to +122°F (0° C to +50° C) Vibration, Operating MIL-STD-167A (Type I) up to and including 21 Hz Spray Proof Enclosure Ref. MIL-STD-108; MIL-STD-810, Method 506, Procedure III, Tailored Fungus Shall not support growth Note: This requirements summary is only provided for the purpose of illustrating the level of environmental ruggedization and EMC/EMI thresholds generally required.